[PVE-User] problem with cluster configuration, please help

[Жюль Верн]

I have a proxmox cluster with ceph in my production. Versions 3.4. I need
to update it to 5. For the upgrade test, I rented 3 servers. And now I ran
into a problem. Why is not there a quorum ?

2017-10-18 17:05 GMT+06:00 Thomas Lamprecht <t.lamprecht at proxmox.com>:

> On 10/18/2017 12:54 PM, Жюль Верн wrote:
> > I need to update from 3.4 pve to 5, thats my current task. And that is
> test
> > servers. I test multicast and its ok.
>
> Upgrading by joining a PVE 3.4 with a PVE 5 node and then (live)
> migrating *cannot* work, if you planned to do so.
> PVE 3.4 uses quite another cluster communication stack (corosync)
> as PVE 4.0 and newer, so they cannot see each other.
>
> See:
> https://pve.proxmox.com/wiki/Upgrade_from_3.x_to_4.0
> For other upgrade alternatives.
>
>
>

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